2026 NPPES data Nephrology Physician NPI 1740283423 D.O.
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PETER LEOPOLD, D.O.

Nephrology Physician in BULLHEAD CITY, Arizona. CMS National Plan and Provider Enumeration System profile including specialty classification, practice address, and Medicare prescribing data when reported.

Federal data — no proprietary rating. PlainDoctor publishes the actual CMS NPPES and Medicare records — NPI registration, specialty, practice location, and prescribing data — without a composite score or editorial opinion on top. Every field traces to a federal source.
Prescribing volume
131
Medicare Part D claims · 68 beneficiaries · Nephrology Physician avg: 1K
Generic prescribing
82%
generic claims · 18% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$29.57
1 payments · CMS Open Payments (Sunshine Act)

What the federal data shows

PETER LEOPOLD, D.O. filed 131 Medicare Part D claims in 2023 as a Nephrology Physician in BULLHEAD CITY, Arizona, prescribing 82% generic.

131
Part D claims, 2023
82%
generic prescribing
Likely
board-certified (heuristic)

Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) — no proprietary rating or editorial opinion is applied.

PETER LEOPOLD, D.O.'s Medicare Part D volume vs every U.S. prescriber

Total Medicare Part D claims, 2023 — across all CMS prescribers nationally

131 35th percentile higher than 35% of 1,370,886 prescribers

0–200: 670,926 prescribers (49%). This entry sits in this band. 200–400: 182,923 prescribers (13%). Above this entry. 400–600: 90,619 prescribers (7%). Above this entry. 600–800: 56,224 prescribers (4%). Above this entry. 800–1,000: 40,919 prescribers (3%). Above this entry. 1,000–1,200: 31,827 prescribers (2%). Above this entry. 1,200–1,400: 26,224 prescribers (2%). Above this entry. 1,400–1,600: 21,710 prescribers (2%). Above this entry. 1,600–1,800: 19,072 prescribers (1%). Above this entry. 1,800–2,000: 16,451 prescribers (1%). Above this entry. 2,000–2,200: 213,991 prescribers (16%). Above this entry. This provider 0 2K+ every Part D prescriber (claims/yr), bucketed by value

Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source CMS Medicare Part D Prescriber Public Use File · 2023

Board certification likely (heuristic — not verified)

PETER LEOPOLD, D.O. practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + 1 hospital affiliation — signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).

What does the federal data show about PETER LEOPOLD, D.O.?

Quality data not reported

NPI registry status

Active

Issued 05/24/2005

NPI 1740283423

Primary specialty

Nephrology Physician

Mid-sized

10,534 US NPIs in this specialty

Medicare Part D claims

131 91% vs specialty avg

2023 prescription claims

Specialty avg: 1,454

Specialty distribution in Arizona

How Nephrology Physician compares to other specialties among Arizona providers

Arizona providers

Nephrology Physician share within Arizona

1. Nephrology Physician42%2. Internal medicine21%3. Family medicine17%4. Surgical12%5. Pediatric8%
Nephrology Physician share within Arizona

Specialty board-certification context

Estimated specialty board-certified rate — Nephrology Physician (ABMS / AOA reference)

Quality data not reported
Est. board-certified rate
78%
Nephrology Physician ABMS/AOA estimate

Est. board-certified rate (Nephrology Physician) — ABMS / AOA estimate

0%100%78%
Est. board-certified rate (Nephrology Physician) — ABMS / AOA estimate

The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.

Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).

PETER LEOPOLD, D.O. appears in the CMS NPPES registry as a Nephrology Physician provider holding D.O. credentials at 2580 HIGHWAY 95 STE 224, BULLHEAD CITY, AZ, 86442, with a listed phone of (928) 704-7011. NPI 1740283423 was issued on 05/24/2005. Because NPPES data is self-reported by the provider and refreshed monthly, the address, phone, and specialty reflect what LEOPOLD most recently submitted to CMS rather than a vetted directory listing, which is why patients should always confirm the practice is still at this location before scheduling.

Medicare Part D records for calendar year 2023 show 131 prescription claims written by this provider, covering 68 Medicare beneficiaries and totaling roughly $4K in drug spend, split 18% brand-name and 82% generic by claim count, with an opioid prescribing rate of 35.9%. These figures capture only Medicare Part D — commercial insurance, Medicaid, and cash-pay prescriptions are not included, and any drug-beneficiary cell under 11 is suppressed by CMS for patient privacy.

Nephrology Physician is a mid-sized specialty nationwide, with 10,534 enrolled providers across 55 states and an average of 1,454 Part D claims per prescriber, so the context for interpreting these metrics differs meaningfully from a primary-care baseline. Important: PlainDoctor is a directory of publicly available government data, not medical advice, a malpractice database, or a quality rating. Inclusion here does not imply a recommendation, and absence of complaints or sanctions on this page does not mean none exist — always verify credentials through the NPPES NPI Registry, your state medical board, and the ABMS or AOA before making healthcare decisions.

Practice Address

2580 HIGHWAY 95 STE 224
BULLHEAD CITY, AZ 86442

Provider Details

NPI 1740283423
Specialty Nephrology Physician
Credentials D.O.
Gender Male
NPI Issued 05/24/2005

Hospital and facility affiliations

Facilities where PETER LEOPOLD, D.O. bills Medicare from. Star ratings (1-5) are CMS Hospital Compare's "Hospital overall rating" — a composite of mortality, readmission, patient experience, safety, timely care, and efficient use of medical imaging measures. Source: CMS Care Compare.

AKDHC LLC
COTTONWOOD, AZ

Affiliations sourced from CMS Doctors and Clinicians National Downloadable File; hospital ratings from CMS Hospital General Information dataset (cross-referenced by facility name + state).

Industry payments received (2024) — CMS Open Payments transparency data

The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for PETER LEOPOLD, D.O.. Source: openpaymentsdata.cms.gov.

Total received

$30

Largest payer

Novartis Pharmaceuticals Corporation

Most common payment type

Food and Beverage

Industry payments are not necessarily indicators of bias — they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.

Brand vs generic prescribing mix · Typical

PETER LEOPOLD, D.O. — brand share 18.0%
Specialty average (est.)

18% brand-name claims vs 82% generic, on 131 2023 Medicare Part D claims.

The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.

Medicare Part D Prescribing Data

CMS Medicare Part D prescriber-level data for calendar year 2023.

131
Total Claims
$4K
Total Drug Cost
68
Medicare Beneficiaries

Prescribing Breakdown

30-Day Fills
141
Total Day Supply
2,326
Brand vs Generic
18% brand / 82% generic
Brand Drug Cost
$3K
Generic Drug Cost
$1K
Opioid Claims
47 (35.9% rate)

Patient Demographics

Average Patient Age
68.6 years
Avg HCC Risk Score
6.97
Gender Split
41% female / 59% male
Age Distribution
<65: 22, 65-74: N/A, 75-84: 21, 85+: N/A

Top Prescribed Drugs (Medicare Part D)

Top drugs by claim count for calendar year 2023. Based on Medicare Part D data only.

What PETER LEOPOLD, D.O. prescribes most

Top Medicare Part D drugs by claim count, 2023

claims
Source CMS Medicare Part D Prescriber Public Use File As of 2023
Drug Claims
Hydrocodone-Acetaminophen
Hydrocodone/Acetaminophen
26
Calcium Acetate
21
Prednisone
16

* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.

Nephrology Physician Overview

How PETER LEOPOLD, D.O. fits within the Nephrology Physician landscape nationally.

10,534
Nephrology Physician Providers in US
55
States with Nephrology Physician
1,454
Avg Claims per Provider

PETER LEOPOLD, D.O.'s 131 claims are below the specialty average of 1,454.

Nearby Nephrology Physician Providers in Arizona

Other clinicians with the same primary specialty enrolled in Arizona, drawn from the same CMS NPPES roster as LEOPOLD.

Compare Nephrology Physician nationally: see state-by-state distribution →

Frequently Asked Questions

What is PETER LEOPOLD, D.O.'s specialty?
PETER LEOPOLD, D.O. specializes in Nephrology Physician and practices in BULLHEAD CITY, Arizona. Credentials: D.O..
How much does PETER LEOPOLD, D.O. prescribe under Medicare Part D?
In 2023, PETER LEOPOLD, D.O. wrote 131 Medicare Part D claims totaling $4K in drug costs for 68 beneficiaries.
Where is PETER LEOPOLD, D.O. located?
PETER LEOPOLD, D.O. is located at 2580 HIGHWAY 95 STE 224, BULLHEAD CITY, AZ, 86442. Phone: (928) 704-7011.
What is PETER LEOPOLD, D.O.'s NPI number?
PETER LEOPOLD, D.O.'s National Provider Identifier (NPI) is 1740283423, issued on 05/24/2005.
Does PETER LEOPOLD, D.O. prescribe more brand-name or generic drugs?
PETER LEOPOLD, D.O.'s prescribing is 18% brand-name and 82% generic drugs by claim count, with $3K in brand drug costs.
Does PETER LEOPOLD, D.O. prescribe opioids?
Yes, PETER LEOPOLD, D.O. had 47 opioid claims in 2023 with an opioid prescribing rate of 35.9%.
How many Nephrology Physician providers are there in the US?
There are 10,534 Nephrology Physician providers across 55 states in the US. The average Nephrology Physician provider writes 1,454 Medicare Part D claims per year.
What drugs does PETER LEOPOLD, D.O. prescribe most often?
Based on 2023 Medicare Part D data, PETER LEOPOLD, D.O.'s most frequently prescribed drugs include Hydrocodone-Acetaminophen, Calcium Acetate, Prednisone. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does PETER LEOPOLD, D.O. accept Medicare?
PETER LEOPOLD, D.O. appears in CMS Medicare data with 131 Part D claims and 68 Medicare beneficiaries in 2023. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify PETER LEOPOLD, D.O.'s credentials?
PETER LEOPOLD, D.O.'s NPI is 1740283423 with credentials D.O.. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.

Data Sources

Provider Directory
CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
Specialty Classification
NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
Prescribing Data
CMS Medicare Part D Prescriber Public Use File (2023). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
Limitations
Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.

See our complete data methodology for details on how we collect and process government data.

Data as of April 2026 (NPPES) / 2023 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).

Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology